Form 4 for HOWL Werewolf Therapeutics, Inc.
Accepted 2025-04-30 00:00:00 ET · period of report 2025-03-27 · accession 0001415889-25-011574 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DI | 2025-04-30 | 2025-03-27 | HOWL | MPM Asset Management Investors BV2014 LLC | 10% | X - OptEx | $0.09 | +22.8K | 3.21M | +0.7% | +$2,048 |
| DI | 2025-04-30 | 2025-03-27 | HOWL | MPM Asset Management Investors BV2014 LLC | 10% | S - Sale+OE | $1.05 | -1,963 | 3.21M | -0.1% | -$2,061 |
| DMI | 2025-04-30 | 2025-03-27 | HOWL | MPM Asset Management Investors BV2014 LLC | 10% | X - OptEx | $0.00 | -22.8K | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-03-27 | X | A | 22,758 | $0.09 | 3,210,756 | I See Footnote | — | — | (F2) The shares are held as follows: 2,915,905 by MPM BioVentures 2014, L.P. ("BV 2014"), 194,486 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)") and 100,365 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B). BV LLC is the manager of AM BV2014.Todd Foley is a Managing Director of BV LLC. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein. |
| 2 | Common | Common Stock | 2025-03-27 | S | D | 1,963 | $1.05 | 3,208,793 | I See Footnote | — | — | (F3) The shares are held as follows: 2,914,123 by BV 2014, 194,367 by MPM 2014(B) and 100,303 by AM BV2014. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its pecuniary interest therein. |
| 3 | Derivative | Warrant (Right to Buy) | 2025-03-27 | X | D | 4,015 | $0.00 | 0 | I See Footnote | $0.09 · — to 2025-04-09 | 4,015 Common Stock | (F5) The warrants were held as follows: 3,647 by BV 2014, 243 by BV 2014(B) and 125 by AM BV 2014. (F4) Immediately exercisable. |
| 4 | Derivative | Warrant (Right to Buy) | 2025-03-27 | X | D | 18,743 | $0.00 | 0 | I See Footnote | $0.09 · — to 2025-08-13 | 18,743 Common Stock | (F6) The warrants were held as follows: 17,023 by BV 2014, 1,135 by BV 2014(B) and 585 by AM BV 2014. (F4) Immediately exercisable. |